2019-11-15 08:34:07

by Chuhong Yuan

[permalink] [raw]
Subject: [PATCH 2/2] dmaengine: mmp_pdma: add missed of_dma_controller_free

The driver calls of_dma_controller_register in probe but does not free
it in remove.
Add the call to fix it.

Signed-off-by: Chuhong Yuan <[email protected]>
---
drivers/dma/mmp_pdma.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 7fe494fc50d4..ad06f260e907 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -945,6 +945,8 @@ static int mmp_pdma_remove(struct platform_device *op)
struct mmp_pdma_phy *phy;
int i, irq = 0, irq_num = 0;

+ if (op->dev.of_node)
+ of_dma_controller_free(op->dev.of_node);

for (i = 0; i < pdev->dma_channels; i++) {
if (platform_get_irq(op, i) > 0)
--
2.24.0